ES2020089A6 - Transceptor de frecuencia modulada. - Google Patents
Transceptor de frecuencia modulada.Info
- Publication number
- ES2020089A6 ES2020089A6 ES9000078A ES9000078A ES2020089A6 ES 2020089 A6 ES2020089 A6 ES 2020089A6 ES 9000078 A ES9000078 A ES 9000078A ES 9000078 A ES9000078 A ES 9000078A ES 2020089 A6 ES2020089 A6 ES 2020089A6
- Authority
- ES
- Spain
- Prior art keywords
- frequency
- local oscillator
- modulated
- transmitter
- frequency mixer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000003247 decreasing effect Effects 0.000 abstract 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transmitters (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI890191A FI80549C (fi) | 1989-01-13 | 1989-01-13 | Frekvensmodulerad saendarmottagare. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2020089A6 true ES2020089A6 (es) | 1991-07-16 |
Family
ID=8527719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9000078A Expired - Lifetime ES2020089A6 (es) | 1989-01-13 | 1990-01-12 | Transceptor de frecuencia modulada. |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU625604B2 (fi) |
ES (1) | ES2020089A6 (fi) |
FI (1) | FI80549C (fi) |
FR (1) | FR2641915A1 (fi) |
GB (1) | GB2228379B (fi) |
IT (1) | IT1238167B (fi) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI80549C (fi) * | 1989-01-13 | 1990-06-11 | Telenokia Oy | Frekvensmodulerad saendarmottagare. |
FI94808C (fi) * | 1991-08-29 | 1995-10-25 | Nokia Telecommunications Oy | Taajuusmoduloitu lähetinvastaanotin |
NO305499B1 (no) * | 1996-11-06 | 1999-06-07 | Nera Asa | System og fremgangsmÕte ved nedomforming hvor det mottatte signalet nedomformes |
GB2363267B (en) * | 2000-06-07 | 2002-08-07 | Motorola Israel Ltd | Circuit and method for signal phase control in a radio transceiver |
CN102916718B (zh) * | 2012-10-31 | 2014-12-17 | 成都航天通信设备有限责任公司 | 一种电台网络的通信方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1023434A (en) * | 1973-03-02 | 1977-12-27 | Salvatore Amoroso (Jr.) | Single oscillator microwave transceiver |
US3916412A (en) * | 1974-08-29 | 1975-10-28 | United Technologies Corp | Frequency stabilized single oscillator transceivers |
US4633511A (en) * | 1983-08-24 | 1986-12-30 | Toyo Communication Equipment Co. | Signal transmission and reception system |
EP0165265A4 (en) * | 1983-12-05 | 1985-12-30 | Motorola Inc | DUPLEX COMMUNICATION TRANSCEIVER WITH MODULATION CANCELLATION. |
GB8420210D0 (en) * | 1984-08-09 | 1984-09-12 | British Telecomm | Duplex microwave equipment |
JPS61220528A (ja) * | 1985-03-26 | 1986-09-30 | Nec Corp | 同時送受話無線機 |
FI80549C (fi) * | 1989-01-13 | 1990-06-11 | Telenokia Oy | Frekvensmodulerad saendarmottagare. |
-
1989
- 1989-01-13 FI FI890191A patent/FI80549C/fi not_active IP Right Cessation
-
1990
- 1990-01-11 FR FR9000258A patent/FR2641915A1/fr active Granted
- 1990-01-11 GB GB9000641A patent/GB2228379B/en not_active Expired - Fee Related
- 1990-01-12 ES ES9000078A patent/ES2020089A6/es not_active Expired - Lifetime
- 1990-01-12 AU AU47925/90A patent/AU625604B2/en not_active Ceased
- 1990-01-12 IT IT01905390A patent/IT1238167B/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
FR2641915A1 (fr) | 1990-07-20 |
FR2641915B1 (fi) | 1994-04-22 |
GB2228379A (en) | 1990-08-22 |
AU625604B2 (en) | 1992-07-16 |
IT9019053A1 (it) | 1990-07-14 |
FI80549B (fi) | 1990-02-28 |
FI890191A0 (fi) | 1989-01-13 |
FI80549C (fi) | 1990-06-11 |
GB9000641D0 (en) | 1990-03-14 |
IT9019053A0 (it) | 1990-01-12 |
GB2228379B (en) | 1993-01-13 |
AU4792590A (en) | 1990-07-19 |
IT1238167B (it) | 1993-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 20041004 |